// C05:5.7:plus_one.cpp -- the increment operator
#include <iostream>

int main(void)
{
    using std::cout;
    int a = 20;
    int b = 20;
    cout << "a = " << a << ": b = " << b << "\n";
    cout << "a++ = " << a++ << ": ++b = " << ++b << "\n";
    cout << "a = " << a << ": b = " << b << "\n";
}